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                                <h2 id="&#x5FEB;&#x901F;&#x6392;&#x5E8F;">&#x5FEB;&#x901F;&#x6392;&#x5E8F;</h2>
<h3 id="&#x8D77;&#x6CE1;&#x6392;&#x5E8F;">&#x8D77;&#x6CE1;&#x6392;&#x5E8F;</h3>
<p>&#x5FEB;&#x901F;&#x6392;&#x5E8F;&#x662F;&#x4E00;&#x79CD;&#x5229;&#x7528;&#x201C;&#x4EA4;&#x6362;&#x201D;&#x8FDB;&#x884C;&#x6392;&#x5E8F;&#x7684;&#x65B9;&#x6CD5;&#xFF0C;&#x6700;&#x719F;&#x77E5;&#x7684;&#x5C31;&#x662F;<strong>&#x8D77;&#x6CE1;&#x6392;&#x5E8F;</strong>&#xFF08;Bubble Sort&#xFF09;&#x3002;</p>
<p>&#x8D77;&#x6CE1;&#x6392;&#x5E8F;&#x7684;&#x8FC7;&#x7A0B;&#xFF1A;&#x9996;&#x5148;&#x5C06;&#x7B2C;&#x4E00;&#x4E2A;&#x8BB0;&#x5F55;&#x7684;&#x5173;&#x952E;&#x5B57;&#x548C;&#x7B2C;&#x4E8C;&#x4E2A;&#x8BB0;&#x5F55;&#x7684;&#x5173;&#x952E;&#x5B57;&#x8FDB;&#x884C;&#x6BD4;&#x8F83;&#xFF0C;&#x82E5;&#x4E3A;&#x9006;&#x5E8F;&#xFF08;&#x4E0E;&#x6700;&#x7EC8;&#x7ED3;&#x679C;&#x987A;&#x5E8F;&#x4E0D;&#x540C;&#xFF09;&#xFF0C;&#x5219;&#x5C06;&#x4E24;&#x4E2A;&#x8BB0;&#x5F55;&#x4EA4;&#x6362;&#x4F4D;&#x7F6E;&#xFF0C;&#x7136;&#x540E;&#x8FDB;&#x884C;&#x7B2C;&#x4E8C;&#x4E2A;&#x4E0E;&#x7B2C;&#x4E09;&#x4E2A;&#x8BB0;&#x5F55;&#x7684;&#x6BD4;&#x8F83;&#x3002;&#x4F9D;&#x6B21;&#x7C7B;&#x63A8;&#xFF0C;&#x76F4;&#x81F3;&#x7B2C; n-1 &#x4E2A;&#x8BB0;&#x5F55;&#x4E0E;&#x7B2C; n &#x4E2A;&#x8BB0;&#x5F55;&#x6BD4;&#x8F83;&#x4E3A;&#x6B62;&#xFF0C;&#x7B2C;&#x4E00;&#x8D9F;&#x7684;&#x6392;&#x5E8F;&#x7ED3;&#x679C;&#x4F7F;&#x5F97;&#x5173;&#x952E;&#x5B57;&#x6700;&#x5927;&#x7684;&#x8BB0;&#x5F55;&#x88AB;&#x5B89;&#x7F6E;&#x5230;&#x6700;&#x540E;&#x7684;&#x4F4D;&#x7F6E;&#x3002;&#x7136;&#x540E;&#x8FDB;&#x884C;&#x7B2C;&#x4E8C;&#x8D9F;&#x8D77;&#x6CE1;&#x6392;&#x5E8F;&#xFF0C;&#x5BF9;&#x524D; n-1 &#x4E2A;&#x5143;&#x7D20;&#x8FDB;&#x884C;&#x540C;&#x6837;&#x7684;&#x64CD;&#x4F5C;&#xFF0C;&#x7136;&#x540E;&#x4F9D;&#x6B21;&#x8FDB;&#x884C;&#x6BCF;&#x8D9F;&#x6392;&#x5E8F;&#xFF0C;&#x76F4;&#x5230;&#x6392;&#x5E8F;&#x6210;&#x529F;&#x3002;&#x663E;&#x7136;&#xFF0C;&#x5224;&#x522B;&#x8D77;&#x6CE1;&#x6392;&#x5E8F;&#x7ED3;&#x675F;&#x7684;&#x6761;&#x4EF6;&#x662F;&#xFF1A;&#x5728;&#x4E00;&#x8D9F;&#x6392;&#x5E8F;&#x8FC7;&#x7A0B;&#x4E2D;&#xFF0C;&#x6CA1;&#x6709;&#x8FDB;&#x884C;&#x8FC7;&#x4EA4;&#x6362;&#x8BB0;&#x5F55;&#x7684;&#x64CD;&#x4F5C;&#x3002;</p>
<p>&#x65F6;&#x95F4;&#x590D;&#x6742;&#x5EA6;&#x4E3A; <em>O</em>(<em>n<sup>2</sup></em>)</p>
<pre><code class="lang-C"><span class="hljs-comment">/**
 * &#x8D77;&#x6CE1;&#x6392;&#x5E8F;&#xFF08;&#x5347;&#x5E8F;&#xFF09;
 */</span>
<span class="hljs-function"><span class="hljs-keyword">void</span> <span class="hljs-title">BubbleSort</span><span class="hljs-params">(SqList &amp;L)</span>
</span>{
    <span class="hljs-keyword">int</span> i = L.length, j;
    ElemType temp;
    <span class="hljs-keyword">int</span> exchange = <span class="hljs-number">1</span>;
    <span class="hljs-keyword">while</span>(exchange != <span class="hljs-number">0</span>)
    {
        exchange = <span class="hljs-number">0</span>;
        <span class="hljs-keyword">for</span> (j = <span class="hljs-number">0</span>; j &lt; i; j++)
        {
            <span class="hljs-keyword">if</span> (L.data[j] &gt; L.data[j+<span class="hljs-number">1</span>])
            {
                temp = L.data[j+<span class="hljs-number">1</span>];
                L.data[j+<span class="hljs-number">1</span>] = L.data[j];
                L.data[j] = temp;
                exchange = j;
            }
        }
        i--;
    }
}
</code></pre>
<h3 id="&#x5FEB;&#x901F;&#x6392;&#x5E8F;">&#x5FEB;&#x901F;&#x6392;&#x5E8F;</h3>
<p><strong>&#x5FEB;&#x901F;&#x6392;&#x5E8F;</strong>&#xFF08;Quick Sort&#xFF09;&#x662F;&#x5BF9;&#x8D77;&#x6CE1;&#x6392;&#x5E8F;&#x7684;&#x4E00;&#x79CD;&#x6539;&#x8FDB;&#xFF0C;&#x57FA;&#x672C;&#x601D;&#x60F3;&#x662F;&#xFF1A;&#x901A;&#x8FC7;&#x4E00;&#x8D9F;&#x6392;&#x5E8F;&#x5C06;&#x5F85;&#x6392;&#x8BB0;&#x5F55;&#x5206;&#x5272;&#x6210;&#x4E24;&#x90E8;&#x5206;&#xFF0C;&#x5176;&#x4E2D;&#x4E00;&#x90E8;&#x5206;&#x8BB0;&#x5F55;&#x7684;&#x5173;&#x952E;&#x5B57;&#x5747;&#x6BD4;&#x53E6;&#x4E00;&#x90E8;&#x5206;&#x7684;&#x5173;&#x952E;&#x5B57;&#x5C0F;&#xFF0C;&#x5219;&#x53EF;&#x5206;&#x522B;&#x5BF9;&#x8FD9;&#x4E24;&#x90E8;&#x5206;&#x8BB0;&#x5F55;&#x7EE7;&#x7EED;&#x8FDB;&#x884C;&#x6392;&#x5E8F;&#xFF0C;&#x4EE5;&#x8FBE;&#x5230;&#x6574;&#x4E2A;&#x5E8F;&#x5217;&#x6709;&#x5E8F;&#x3002;</p>
<p>&#x9996;&#x5148;&#x4EFB;&#x610F;&#x9009;&#x53D6;&#x4E00;&#x4E2A;&#x8BB0;&#x5F55;&#xFF08;&#x901A;&#x5E38;&#x9009;&#x62E9;&#x7B2C;&#x4E00;&#x4E2A;&#x8BB0;&#x5F55;&#xFF09;&#x4F5C;&#x4E3A;<strong>&#x67A2;&#x7EBD;</strong>&#xFF08;&#x6216;&#x652F;&#x70B9;&#xFF09;&#xFF0C;&#x7136;&#x540E;&#x5C06;&#x6240;&#x6709;&#x5173;&#x952E;&#x5B57;&#x6BD4;&#x5B83;&#x5C0F;&#x7684;&#x5143;&#x7D20;&#x5B89;&#x7F6E;&#x5728;&#x5B83;&#x7684;&#x4F4D;&#x7F6E;&#x4E4B;&#x524D;&#xFF0C;&#x6240;&#x6709;&#x5173;&#x952E;&#x5B57;&#x6BD4;&#x5B83;&#x5927;&#x7684;&#x5143;&#x7D20;&#x5B89;&#x7F6E;&#x5728;&#x5B83;&#x7684;&#x4F4D;&#x7F6E;&#x4E4B;&#x540E;&#xFF0C;&#x5F62;&#x6210;&#x5DE6;&#x53F3;&#x4E24;&#x4E2A;&#x5B50;&#x8868;&#xFF0C;&#x8FD9;&#x4E2A;&#x8FC7;&#x7A0B;&#x79F0;&#x4E3A;&#x4E00;&#x8D9F;&#x5FEB;&#x901F;&#x6392;&#x5E8F;&#xFF08;&#x8BE6;&#x89C1;&#x53C2;&#x8003;&#x8D44;&#x6599; 273 &#x9875;&#xFF09;&#x3002;&#x7136;&#x540E;&#x518D;&#x5BF9;&#x5404;&#x5B50;&#x8868;&#x505A;&#x4E0A;&#x8FF0;&#x64CD;&#x4F5C;&#xFF0C;&#x76F4;&#x5230;&#x6BCF;&#x4E2A;&#x5B50;&#x8868;&#x7684;&#x5143;&#x7D20;&#x53EA;&#x5269;&#x4E00;&#x4E2A;&#xFF0C;&#x4FBF;&#x5F97;&#x5230;&#x4E00;&#x4E2A;&#x6709;&#x5E8F;&#x5E8F;&#x5217;&#x3002;</p>
<p>&#x7B97;&#x6CD5;&#x5B9E;&#x73B0;&#xFF1A;&#x9644;&#x8BBE;&#x4E24;&#x4E2A;&#x6307;&#x9488; <code>low</code> &#x548C; <code>high</code>&#xFF0C;&#x5B83;&#x4EEC;&#x7684;&#x521D;&#x503C;&#x5206;&#x522B;&#x4E3A;&#x6307;&#x5411;&#x7B2C;&#x4E00;&#x4E2A;&#x5143;&#x7D20;&#x548C;&#x6700;&#x540E;&#x4E00;&#x4E2A;&#x5143;&#x7D20;&#xFF0C;&#x8BBE;&#x67A2;&#x7EBD;&#x8BB0;&#x5F55;&#x7684;&#x5173;&#x952E;&#x5B57;&#x4E3A; <code>PivotKey</code>&#xFF0C;&#x4EE4; <code>PivotKey = r[low]</code>&#xFF0C;&#x5219;&#x9996;&#x5148;&#x4ECE; high &#x6240;&#x6307;&#x4F4D;&#x7F6E;&#x8D77;&#x5411;&#x524D;&#x641C;&#x7D22;&#x627E;&#x5230;&#x5173;&#x952E;&#x5B57;&#x5C0F;&#x4E8E; <code>PivotKey</code> &#x7684;&#x8BB0;&#x5F55;&#xFF0C;&#x4EE4; <code>r[low] = r[high]</code>&#x3002;&#x7136;&#x540E;&#x4ECE; low &#x6240;&#x6307;&#x4F4D;&#x7F6E;&#x5411;&#x540E;&#x641C;&#x7D22;&#x627E;&#x5230;&#x5173;&#x952E;&#x5B57;&#x5927;&#x4E8E; <code>PivotKey</code> &#x7684;&#x8BB0;&#x5F55;&#xFF0C;&#x4EE4; <code>r[high] = r[low]</code>&#x3002;&#x91CD;&#x590D;&#x8FD9;&#x4E24;&#x6B65;&#x76F4;&#x5230; <code>low = high</code> &#x4E3A;&#x6B62;&#x3002;</p>
<pre><code class="lang-C"><span class="hljs-comment">/**
 * &#x5FEB;&#x901F;&#x6392;&#x5E8F;&#x7684;&#x4E00;&#x8D9F;&#x6392;&#x5E8F;
 */</span>
<span class="hljs-function"><span class="hljs-keyword">int</span> <span class="hljs-title">Partition</span><span class="hljs-params">(SqList &amp;L, <span class="hljs-keyword">int</span> low, <span class="hljs-keyword">int</span> high)</span>
</span>{
    <span class="hljs-keyword">int</span> PivotKey = L.data[low]; <span class="hljs-comment">// &#x53D6;&#x67A2;&#x7EBD;&#x7684;&#x5173;&#x952E;&#x7801;&#x5B58;&#x5165; PivotKey &#x53D8;&#x91CF;</span>
    <span class="hljs-keyword">while</span>(low &lt; high)
    {
        <span class="hljs-keyword">while</span>(low &lt; high &amp;&amp; L.data[high] &gt;= PivotKey )
        {
            --high;
        } 
          L.data[low] = L.data[high]; <span class="hljs-comment">// &#x6BD4;&#x67A2;&#x7EBD;&#x5C0F;&#x7684;&#x8BB0;&#x5F55;&#x4EA4;&#x6362;&#x5230;&#x4F4E;&#x7AEF;</span>
        <span class="hljs-keyword">while</span>(low &lt; high &amp;&amp; L.data[low] &lt;= PivotKey)
        {
            ++low;
        } 
        L.data[high] = L.data[low]; <span class="hljs-comment">// &#x6BD4;&#x67A2;&#x7EBD;&#x5927;&#x7684;&#x8BB0;&#x5F55;&#x4EA4;&#x6362;&#x5230;&#x9AD8;&#x7AEF;</span>
    }
    L.data[low] = PivotKey;
    <span class="hljs-keyword">return</span> low; <span class="hljs-comment">// &#x8FD4;&#x56DE;&#x67A2;&#x7EBD;&#x8BB0;&#x5F55;&#x6240;&#x5728;&#x4F4D;&#x7F6E;</span>
}

<span class="hljs-comment">/**
 * &#x5BF9;&#x5B50;&#x5E8F;&#x5217;&#x5FEB;&#x901F;&#x6392;&#x5E8F; 
 */</span> 
<span class="hljs-function"><span class="hljs-keyword">void</span> <span class="hljs-title">QSort</span><span class="hljs-params">(SqList &amp;L, <span class="hljs-keyword">int</span> low, <span class="hljs-keyword">int</span> high)</span>
</span>{
    <span class="hljs-keyword">int</span> PivotLoc; 
    <span class="hljs-keyword">if</span> (low &lt; high)
    {
        PivotLoc = Partition(L, low, high);
        QSort(L, low, PivotLoc<span class="hljs-number">-1</span>);
        QSort(L, PivotLoc+<span class="hljs-number">1</span>, high);
    }
}

<span class="hljs-comment">/**
 * &#x5FEB;&#x901F;&#x6392;&#x5E8F; 
 */</span>
<span class="hljs-function"><span class="hljs-keyword">void</span> <span class="hljs-title">QuickSort</span><span class="hljs-params">(SqList &amp;L)</span>
</span>{
    QSort(L, <span class="hljs-number">0</span>, L.length);
}
</code></pre>

                                
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